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Date:      Sat, 26 Nov 2011 12:30:11 +0100
From:      Raul <raul@b2n.org>
To:        Lawrence Stewart <lstewart@freebsd.org>
Cc:        kerbzo@gmail.com, FreeBSD Release Engineering Team <re@freebsd.org>, stb@lassitu.de, Kris Bauer <kristoph.bauer@gmail.com>, george+freebsd@m5p.com, freebsd-stable@freebsd.org, freebsd@jdc.parodius.com
Subject:   Re: TCP Reassembly Issues [SOLVED?]
Message-ID:  <4ED0CDC3.50808@b2n.org>
In-Reply-To: <4ED077BF.10205@freebsd.org>
References:  <CAPNZ-Wq38=F3o2hYuYF_unBj3SZQ52XhVhdcwQ8PE_vU9xc2YA@mail.gmail.com> <4ECEF6FD.5050006@freebsd.org> <4ED077BF.10205@freebsd.org>

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El 26/11/2011 6:23, Lawrence Stewart escribió:

...
> kernel to test a patch please try the following and report back to the
> list:
>
> http://people.freebsd.org/~lstewart/patches/misctcp/tcp_reass_plugzoneleak_10.x.r227986.patch
>
>
> The patch is against head r227986 but will apply and work correctly for
> 9.0 as well.

Cleanly applied against RELENG_9_0.

As my case was not exactly the same as Kris or Stefan I'd wait their 
feedback but as far I concern, *it works perfect!*.

[....]
%sysctl kern.version | head -n1
kern.version: FreeBSD 9.0-RC2 #1: Sat Nov 26 10:24:38 CET 2011

%uptime
12:06PM  up  1:30, 3 users, load averages: 0,07 0,08 0,10

%vmstat -z | head -n1 ; vmstat -z | grep reass
ITEM                   SIZE  LIMIT     USED     FREE      REQ FAIL SLEEP
tcpreass:                40,   1680,      58,    1370,  276624,   0,   0

%sysctl net.inet.tcp.reass
net.inet.tcp.reass.overflows: 5
net.inet.tcp.reass.cursegments: 17
net.inet.tcp.reass.maxsegments: 1680

%netstat -s -p tcp | grep mem
                 5 discarded due to memory problems
[....]

I'll leave the box stressing the tcp stack a couple of days, just in case.

Thanks a lot.

Regards,
Raúl.



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